Tape rule blade



FIG. 1 is a top plan view of a tape rule blade, partly broken away, showing my new design;

FIG. 2 is a front edge elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear edge elevational view thereof;

FIG. 5 is a left end view thereof; and

FIG. 6 is a right end view thereof. 

The ornamental design of a tape rule blade, substantially as shown and described. 